BS2009-1953Codeforacceptancetestsforturbo-typecompressorsandexhausters..docx

BRITISHSTANDARDCODEFORACCEPTANCETESTSFORTURBO-TYPECOMPRESSORSANDEXHAUSTERSBritih StandardsB.S.2009:1953NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWTmsBRITISHSTANDARD,havingbeenapprovedbytheMechanicalEngineeringIndustryStandardsCommitteeandendorsedbytheChairmanoftheEngineeringDivisionalCouncil,waspublishedundertheauthorityoftheGeneralCouncilon14thAugust,1953.TheInstitutiondesirestocallattentiontothefactthatthisBritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Inordertokeepabreastofprogressintheindustriesconcerned,BritishStandardsaresubjecttoperiodicalreview.Suggestionsforimprovementswillberecordedandinduecoursebroughttothenoticeofthecommitteeschargedwiththerevisionofthestandardstowhichtheyrefer.AcompletelistofBritishStandards,numberingover9.000.fullyindexedandwithanoteofthecontentsofeach,willbefoundintheBSICataloguewhichmaybepurchasedfromBSISalesDepartment.TheCataloguemaybeconsultedinmanypubliclibrariesandsimilarinstitutions.ThisstandardmakesreferencetothefollowingBritishStandards:一B.S.269.Rulesformethodsofdeclaredefficiencyofelectricalmachinery(excludingtractionmotors).B.S.353.Testingofhydraulicturbines.B.S.649.Reciprocatinginternalcombustionenginesformarineauxiliaryandlandservice(excludingcarburettortype).B.S.707.Testingofminefans.B.S.726.Methodofmeasurementofairflowandthefreeairdeliveredbycompressors.B.S.752.Acceptancetestsforsteamturbines.B.S.848.Testingoffansforgeneralpurposes.B.S.1042.Codeforflowmeasurement.B.S.1571.Acceptancetestsforpositivedisplacementcompressorsandexhausters.B.S.1704.Generalpurposesthermometers.BritishStandardsarerevised,whennecessary,bytheissueeitherofamendmentslipsorofrevisededitions.ItisinportantthatusersofBritishStandardsshouldascertainthattheyareinpossessionofthelatestamendmentsoreditions.MEE/39CONTENTSDCo-operatingorganizationsForewordSPECIFICATIONSECTIONONE:GENERAL1. Scope62. Permissibledeviation73. Basisofcorrectionfactors74. Durationoftest75. Pressuremeasurements86. Temperaturemeasurement97. AirflowmeasurementI08. Measurementofspeed109. PowerconsumptionI0SECTIONTWO:DEFINITIONSANDSYMBOLS10. Definitions1111. Symbols12SECTIONTHREE:TESTINGANDCORRECTIONOFTESTRESULTSTOGUARANTEECONDITIONS12. General1313. Gasconstapt1314. Specificheats1315. Inductionmotordrive1316. Uncooledmachineswhenthetestandguaranteegasesarethesame1317. Uncooledmachineswhenthetestandguaranteegasesaredifferent1518. Cooledmachineswhenthetestandguaranteegasesa,.ethesame1619. Cooledmachineswhenthetestandguaranteegasesaredifferent18Example 1 20Example 2 22Example 3 26Example 4 29Example 5 33APPENDICESA. Calculationofgasconstant,R,andratioofspecificheats,y,foramixtureofgases36B. Theoreticalbasisofthecode39CHARTSPageFig. 7 Chartconnectingex,randyforvalues44ofrfroml0to40Fig. 8 Chartconnectingex,randyforvalues45ofrfrom146to200Fig. 9 Chartconnectingex,randyforvalues46ofrfrom20to40Fig. 10 Chartconnectingex,randyforvalues47ofrfrom4to10Fig. 11 Diagrammaticarrangementoftestlayoutforturbo-compressorwiththrottlingonthedischarge(Examples1and3)48Fig.12Diagrammaticarrangementoftestlayoutforturbo-compressorwiththrottlingontheinlet(Example2)49Fig.13Diagrammaticarrangementoftestlayoutforturbo-compressor(Example4)50CO-OPERATINGORGANIZATIONSTheMechanicalEngineeringIndustryStandardsCommittee,underwhosesupervisionthisBritishStandardwasprepared,consistsofrepresentativesfromthefollowingGovernmentdepartmentsandscientificandindustrialorganizations:*Admiralty*AirMinistry*AssociatedOfficesTechnicalCommitteeAssociationofConsultingEngineers(Incorporated)BritishChemicalPlantManufacturerslAssociation*BritishCompressedAirSociety*BritishElectricalandAlliedManufacturerstAssociationBritishElectricityAuthorityandAreaBoards*BritishEngineerslAssociationBritishInternalCombustionEngineManufacturerslAssociationBritishIronandSteelFederationBritishRailways,TheRailwayExecutiveCrownAgentsfortheColoniesD.S.L-MechanicalEngineeringResearchLaboratoryEngineeringEquipmentUsers,Association*HighCommissionofIndia*InstituteofMarineEngineersInstituteofPetroleum*InstitutionofCivilEngineers*InstitutionofGasEngineersInstitutionofHeatingandVentilatingEngineers*InstitutionofMechanicalEngineersInstitutionofMechanicalEngineers(AutomobileDivision)InstitutionofProductionEngineers1.ocomotiveManufacturerslAssociationMachineToolTradeslAssociationMinistryofFuelandPowerMinistryofLabourandNationalService(factoryDepartment)*MinistryofSupplyMinistryOfTransportMinistryofWorks*NationalPhysicalLaboratory*WarOfficeTheGovernmentdepartmentsandscientificandindustrialorganizationsmarkedwithanasteriskintheabovelist,togetherwiththefollowing,weredirectlyrepresentedonthecommitteeentrustediththepreparationofthisBritishStandard:一InstitutionOfEngineeringInspectionBRITISHSTANDARDCODEFORACCEPTANCETESTSF